# A 400V dc. motor develops a shaft torque of 150Nm at 3000 rev/min. If the efficiency is83%, determine the current supplied to the motor.

## Question

## Solution 1

To solve this problem, we need to follow these steps:

Step 1: Convert the speed from revolutions per minute (rev/min) to radians per second (rad/s) because the SI unit of speed is rad/s. We know that 1 rev = 2π rad and 1 min = 60 s. So, 3000 rev/min = 3000 * 2π / 60 = 100π rad/s.

Step 2: Calculate Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.

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